Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Exception" not found in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Exception.php:7
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Exception.php on line 7